topicGreen Tea Reaction Time Randomized Trial
claimFor risk of bias assessment, the Cochrane Risk of Bias Tool (version 2.0) was used.
evidence level1
citationMátyus RO (2025)
sourcePromising, but Not Completely Conclusive-The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Clinical Trials.
topicGreen Tea Reaction Time Randomized Trial
claimBackground: Green tea ( Camellia sinensis ) has been consumed for centuries, and its beneficial effects on human health have been studied in recent decades.
evidence level1
citationMátyus RO (2025)
sourcePromising, but Not Completely Conclusive-The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Clinical Trials.
topicGreen Tea Reaction Time Randomized Trial
claiml-theanine, an active ingredient in green tea, has been used to improve cognition and mood.
evidence level1
citationMátyus RO (2025)
sourcePromising, but Not Completely Conclusive-The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Clinical Trials.
topicGreen Tea Reaction Time Randomized Trial
claim2021 2023 2021 2019 2021 2018 Excess body weight is defined as a chronic and multifactorial condition associated with the development of morbidities associated with the accumulation of body fat (Tchang et al.).
evidence level2
citationBonifácio Dandara Baia (2026)
sourceEffect of Green Tea Kombucha Within an Energy‐Restricted Diet on Cardiometabolic Risk Markers in Individuals With Excess Body Weight: A Randomized Controlled Trial
topicGreen Tea Reaction Time Randomized Trial
claimThe accumulation of body fat is characterized as a risk factor for the development of cardiovascular diseases through the possibility of the coexistence of insulin resistance, hyperglycemia, hypertension, and dyslipidemia (Bovolini et al.).
evidence level2
citationBonifácio Dandara Baia (2026)
sourceEffect of Green Tea Kombucha Within an Energy‐Restricted Diet on Cardiometabolic Risk Markers in Individuals With Excess Body Weight: A Randomized Controlled Trial
topicGreen Tea Reaction Time Randomized Trial
claimFor these reasons, people with excess body weight have a higher risk of death from cardiovascular diseases, independent of other metabolic factors (Powell‐Wiley et al.).
evidence level2
citationBonifácio Dandara Baia (2026)
sourceEffect of Green Tea Kombucha Within an Energy‐Restricted Diet on Cardiometabolic Risk Markers in Individuals With Excess Body Weight: A Randomized Controlled Trial
topicGreen Tea Reaction Time Randomized Trial
claimIn the European region, 60% of adults have excess weight, which has been one of the main determinants of disability and death (The Lancet Public Health).
evidence level2
citationBonifácio Dandara Baia (2026)
sourceEffect of Green Tea Kombucha Within an Energy‐Restricted Diet on Cardiometabolic Risk Markers in Individuals With Excess Body Weight: A Randomized Controlled Trial